Process of treating complex ores or concentrates therefrom.



my mmcem v i; l, Fminnnion llieiis'r, o T'Udii. Smiies, residing at an have iiwcnieoi certain new GV'Eii'iflliifi in Processes of Ores or Concentrates which the following is o the ii piocess Wheicb .iplci: suliid ores or concool"; of the alcove mciiils 'oicly, either in metallic concentrates rec, lgenei'aly contain mm Silfl' ondngol in varyili. n ooiution containing 1 tho zinc. The result".

riisicci in any suitable wa c ipiiiotefli therefrom by limestone, mill; of

c pi'iote basic reagent.

contains the gTeai/ec purified by any olcsiredl ocl, mini is subjected to elec-' h *orlnciion of metallic: zinc. on carried out with insoluble 133 formed o, cliiuie sulfuric acid m, end goiol oi the orig- =Uiiiiiiii'il3 also in material per- I This residue is cli'icol, cooi, omfi smeiteo in either o on "close furnocc preferably con'ioining mom;

fiipccification oi? Ectici'o Petcnii. Appiioaflon mac Novcmbor o, mo. 'iicrioi in. mean,

' e county of Deeiclmige and' noel" silver and 0 Ci are of a high grocle and,

- bo'smelicl foi its loan ore iiiroi: roasted, and are cici in oicier to oliswlve the 1h. was oi'iginalify' present available for use in tho" ilie iilici's contains oil of eie iconic from iiiie ogicm- AWACIUNDA, MONTANAZi, neeioixon T0 iiimcornoo. fimwllilii on omeconoe, MONTANA, A CORPORATION oi? mon'mim WW; Alifliii'ili fifimPLElK ORES UR UONCENTRAUI'EQ THEREFHOM.

iooliemceo i on, o, ioi

2) o fume consisting pi'incijooliy oi onirilo of cool uni zinc; and I c I (3) o slog which ic'i'eooonobly flLQiE iiioi'o. valuea.

The motto obtoine& one above mo [loo worked up for copper, oilvco and goo in occoidonce with the usual 'm'etluodfl.

The i'uine ie c'ollecieci in o beg limlfi'yc, 0 1 by other suitable memo, and! is returned toizlio.

leaching plani; whom it is treoiod with dliii te sulfuric acid. The nine miliioto solution iiiereby produced joins the solution from iiio primary treotinent of the. roesiei ore occoln centratew and e residue remoins which ic 1i high grmie leei product, and contains o vccy large percentage of the lead originally pics-- cm in the" ore. Thin orociuct con ofcoui'oo content in tho usnol menneim: v i A iiclmimz--' i The herein descriiicd process oi. recovoicing zinc; lead, copper and the precious; ineiolsi from ores or concentrates containing the some which consists in leaching the i'oeoi'ciii ore with &ilui:e sulfuric acid, sepomiin' oncl purifying the resulting zinc-bearing" so oiion aid rccov'ering the zinc therefrom by eleo- ,troiyois; smeltingtlie residue containing the copper, lea cl, the'prccious metals andi some zinc, and thereby producing a matte conioine 'ing the copper and precious metolo, mm i fume'co'nsisting largely of oxiole oi iemll cool zinc; extracting the 'zincfiromiho :iumo lo dilute sulfuric acid, leaving o, resicluo liig; 1 lead; on recovering copper oniii the pro ('lOHS metals from the motto.

In iiestimony whereof I afiin my oignoiiiwo in presence of two Witnesecc. I

" onieonnicii: mice Witneeeco;

Miss ELLA SCREEN, R. B. Know.

of time coppo iii 

